CRM-15578 - crmMailing2 - Implement "schedule.html"
CRM-15578 - crmMailingMgr - Implement submit(). Add comments.
CRM-15578 - crmMailing2 - Basic styling for "Submit Mailing" in wizard-style layouts
CRM-15578 - Add crmStatus() service as a simpler wrapper for CRM.status()